Answers

Add 70/50 and 28/63

1^st number: 1 20/50, 2^nd number: 28/63

70/50 + 28/63 is 83/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 63 is 3150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3150
2. For the 1st fraction, since 50 × 63 = 3150,
   70/50 = 70 × 63/50 × 63 = 4410/3150
3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
   28/63 = 28 × 50/63 × 50 = 1400/3150
4. Add the two like fractions:
   4410/3150 + 1400/3150 = 4410 + 1400/3150 = 5810/3150
5. 5810/3150 simplified gives 83/45
6. So, 70/50 + 28/63 = 83/45
   In mixed form: 138/45

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